Finding the Fourth Proportional to 146,074.25, 201,581.63 and 81,539.75
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Solution
The fourth proportional to 146,074.25, 201,581.63 and 81,539.75 is: 112,524.39
Step by Step Solution
- Step 1: Write the proportion equation
146,074.25 : 201,581.63 = 81,539.75 : x - Step 2: Convert to fraction form
146,074.25/201,581.63 = 81,539.75/x - Step 3: Cross multiply
146,074.25x = 201,581.63 × 81,539.75 - Step 4: Simplify right side
146,074.25x = 16,436,916,422.60 - Step 5: Solve for x
x = 16,436,916,422.60/146,074.25 - Step 6: Final answer
x = 112,524.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.